Java tutorial
import java.util.regex.Matcher; import java.util.regex.Pattern; public class MainClass { public static void main(String[] args) { Pattern p = Pattern.compile("^java", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE); Matcher m = p.matcher("java has regex\nJava has regex\n" + "JAVA has pretty good regular expressions\n" + "Regular expressions are in Java"); while (m.find()) System.out.println(m.group()); } } /* */